W3School TIY Editor

public class Main {

  public static void main(String[] args) {

    System.out.println(Math.sin(3));

    System.out.println(Math.sin(-3));

    System.out.println(Math.sin(0));

    System.out.println(Math.sin(Math.PI));

    System.out.println(Math.sin(Math.PI/2));

  }

}

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